<style type="text/css">
#backtop{
	display:block;  
	width:60px; 
	height:60px;
	position:fixed;
	bottom:50px;
	right:40px;
	border-radius:10px 10px 10px 10px;
	text-decoration:none;
	display:none;
	background-color:#999999;
}
#backtop span{ 
	display:block; 
	width:60px; 
	color:#dddddd;
} 
#backtop span:hover{ 
	color:#cccccc; 
} 

#gotop span{ 
	font-size:40px; 
	text-align:center; 
	margin-top:4px; 
}
</style>